Nangona igraphene ihlala ibizwa ngokuba “yipanacea”, ayinakuphikiswa into yokuba ineempawu ezibalaseleyo zamehlo, zombane kunye nezomatshini, yiyo loo nto umzi-mveliso unomdla wokusasaza igraphene njenge-nanofiller kwiipolima okanye imatrice engaphiliyo.Nangona ingenaso isiphumo esiyintsomi "sokuguqula ilitye libe yigolide", inokuphucula inxenye yokusebenza kwematrix kuluhlu oluthile kwaye yandise uluhlu lwesicelo sayo.

Okwangoku, izinto eziqhelekileyo ze-graphene ezihlanganisiweyo zinokuhlulwa ikakhulu kwi-polymer-based and ceramic-based.Kukho izifundo ezingaphezulu kwezo zangaphambili.

I-Epoxy resin (EP), njenge-resin matrix esetyenziswa ngokuqhelekileyo, ineempawu ezintle zokubambelela, amandla omatshini, ukumelana nobushushu kunye neempawu ze-dielectric, kodwa iqulethe inani elikhulu lamaqela e-epoxy emva kokunyanga, kwaye ukuxinana kwe-crosslink kuphezulu kakhulu, ngoko ke ifunyenwe. iimveliso brittle kwaye unempembelelo embi ukuxhathisa, umbane kunye conductivity thermal.I-Graphene yeyona nto inzima emhlabeni kwaye ine-conductivity egqwesileyo yombane kunye ne-thermal.Ngoko ke, izinto ezidibeneyo ezenziwe ngokudibanisa igraphene kunye ne-EP ineenzuzo zombini kwaye inexabiso elihle lesicelo.

     Nano Grapheneinomhlaba omkhulu, kwaye i-molecular-level dispersion yegraphene inokwenza ujongano olomeleleyo kunye nepolymer.Amaqela asebenzayo afana namaqela e-hydroxyl kunye nenkqubo yemveliso iya kuguqula igraphene ibe yimeko eshwabeneyo.Ezi zitenxo ze-nanoscale zonyusa intsebenziswano phakathi kwegraphene kunye namatyathanga epolymer.Umphezulu wegraphene esebenzayo uqulethe i-hydroxyl, i-carboxyl kunye namanye amaqela ekhemikhali, anokwenza iibhondi ze-hydrogen ezomeleleyo kunye neepolima zepolar ezifana ne-polymethyl methacrylate.I-graphene inesakhiwo esikhethekileyo esine-dimensional ezimbini kunye neempawu ezininzi ezibalaseleyo, kwaye inamandla amakhulu okusebenza ekuphuculeni i-thermal, i-electromagnetic kunye ne-mechanical properties ye-EP.

1. I-Graphene kwi-epoxy resins - ukuphucula iimpawu ze-electromagnetic

I-graphene ine-conductivity egqwesileyo yombane kunye nepropathi ye-electromagnetic, kwaye ineempawu zedosi ephantsi kunye nokusebenza okuphezulu.Yinto enokubakho i-conductive modifier ye-epoxy resin EP.Abaphandi baye bazisa i-GO ephathwa ngomphezulu kwi-EP nge-in-situ thermal polymerization.Iipropati ezibanzi zee-GO / EP ezihambelanayo (ezifana nezixhobo zomatshini, zombane kunye ne-thermal, njl.) ziphuculwe kakhulu, kwaye ukuqhutyelwa kombane kwandiswa ngo-6.5 umyalelo wobukhulu.

I-graphene elungisiweyo idibaniswe ne-epoxy resin, yongeza i-2% yegraphene eguquliweyo, imodyuli yokugcina i-epoxy composite material yanda nge-113%, yongeza i-4%, amandla anyuka ngama-38%.Ukuchasana kwe-resin ye-EP ecocekileyo yi-10 ^ 17 ohm.cm, kwaye ukuchasana kwehla nge-6.5 imiyalelo yobukhulu emva kokongeza i-graphene oxide.

2. Ukusetyenziswa kwegraphene kwi-epoxy resin - conductivity ye-thermal

Ukongezacarbon nanotubes(CNTs)kunye negraphene kwi-epoxy resin, xa yongeza i-20% ye-CNTs kunye ne-20% ye-GNP, i-thermal conductivity yezinto ezidibeneyo zingafikelela kwi-7.3W / mK.

3. Ukusetyenziswa kwegraphene kwi-epoxy resin - i-flame retardancy

Xa udibanisa i-5 wt% ye-organic functionalized graphene oxide, ixabiso le-flame retardant linyuke nge-23.7%, kwaye xa lidibanisa i-5 wt%, linyuke nge-43.9%.

Igraphene ineempawu zokuqina okugqwesileyo, ukuzinza komda kunye nokuqina.Njengomlungisi we-epoxy resin EP, inokuphucula ngokubonakalayo iipropathi zoomatshini bezinto ezidibeneyo, kwaye yoyise isixa esikhulu sezizalisi eziqhelekileyo ze-inorganic kunye nokusebenza kakuhle kohlengahlengiso kunye nezinye iintsilelo.Abaphandi basebenzise ii-nanocomposites ze-GO / EP eziguqulwe ngamakhemikhali.Xa i-w (GO) = 0.0375%, amandla oxinzelelo kunye nokuqina kwee-composites ezihambelanayo zanda nge-48.3% kunye ne-1185.2% ngokulandelanayo.Izazinzulu zafunda umphumo wokuguqulwa kokumelana nokukhathala kunye nokuqina kwenkqubo ye-GO / EP: xa i-w (GO) = i-0.1%, i-modulus edibeneyo ye-composite yanda malunga ne-12%;xa w (GO) = 1.0%, Ukuqina kwe-flexural kunye namandla e-composite kwandiswe nge-12% kunye ne-23%, ngokulandelanayo.